Star-by-star formation of dwarf galaxies in cosmological environments
Modern galaxy simulations routinely reach parsec resolution, thus unlocking a more self-consistent treatment for ISM-scale physics while being able to capture galactic-scale gas flows. In this context, I will present the latest results from my model INFERNO, focusing on star formation regulated by stellar feedback from individual stars in a multi-phase ISM with accurate tracking of chemical enrichment. My results include parsec-resolution cosmological simulations resolving the evolution of all observable stars on a star-by-star basis, making available, e.g., the observable color-magnitude diagram directly from the cosmological initial conditions. I will emphasize its importance for the robust interpretation of dwarf galaxy data. Furthermore, I will discuss how lingering uncertainties in model choices affect simulation outcomes, particularly concerning stellar evolution. For example, the co-evolution of binary stars determining the timing for type Ia supernovae is now relevant for modern simulations, highlighting how galaxy formation has entered an era of precise modeling.
